Buggy code:
public class CSVParserTest { private static final String CSVINPUT = "a,b,c,d\n" + ( ( "<seq2seq4repair_space>a<seq2seq4repair_space>,<seq2seq4repair_space>b<seq2seq4repair_space>,<seq2seq4repair_space>1<seq2seq4repair_space>2<seq2seq4repair_space>\n" + "\"foo<seq2seq4repair_space>baar\",<seq2seq4repair_space>b,\n" ) + "<seq2seq4repair_space>\"foo\n,,\n\"\",,\n\"\"\",d,e\n" ) ; private static final String [ ] [ ] RESULT = new String [ ] [ ] { new String [ ] { "a" , "b" , "c" , "d" } , new String [ ] { "a" , "b" , "1<seq2seq4repair_space>2" } , new String [ ] { "foo<seq2seq4repair_space>baar" , "b" , "" } , new String [ ] { "foo\n,,\n\",,\n\"" , "d" , "e" } } ; @ Test public void testGetLine ( ) throws IOException { } @ Test public void testGetRecords ( ) throws IOException { } @ Test public void testExcelFormat1 ( ) throws IOException { } @ Test public void testExcelFormat2 ( ) throws Exception { } @ Test public void testEndOfFileBehaviourExcel ( ) throws Exception { } @ Test public void testEndOfFileBehaviorCSV ( ) throws Exception { } @ Test public void testEmptyLineBehaviourExcel ( ) throws Exception { } @ Test public void testEmptyLineBehaviourCSV ( ) throws Exception { } @ Test public void testEmptyFile ( ) throws Exception { } @ Test public void testCSV57 ( ) throws Exception { } @ Test @ Ignore public void testBackslashEscapingOld ( ) throws IOException { } @ Test public void testBackslashEscaping ( ) throws IOException { } @ Test public void testBackslashEscaping2 ( ) throws IOException { } @ Test public void testDefaultFormat ( ) throws IOException { } @ Test public void testCarriageReturnLineFeedEndings ( ) throws IOException { } @ Test ( expected = NoSuchElementException . class ) public void testClose ( ) throws Exception { } @ Test public void testCarriageReturnEndings ( ) throws IOException { } @ Test public void testLineFeedEndings ( ) throws IOException { } @ Test public void testIgnoreEmptyLines ( ) throws IOException { } @ Test public void testForEach ( ) throws Exception { } @ Test public void testRoundtrip ( ) throws Exception { } @ Test public void testIterator ( ) throws Exception { } @ Test public void testHeader ( ) throws Exception { } @ Test public void testSkipSetHeader ( ) throws Exception { } @ Test public void testSkipAutoHeader ( ) throws Exception { } @ Test public void testHeaderComment ( ) throws Exception { } @ Test public void testProvidedHeader ( ) throws Exception { } @ Test public void testProvidedHeaderAuto ( ) throws Exception { } @ Test public void testMappedButNotSetAsOutlook2007ContactExport ( ) throws Exception { } @ Test public void testGetHeaderMap ( ) throws Exception { } @ Test public void testGetLineNumberWithLF ( ) throws Exception { } @ Test public void testGetLineNumberWithCRLF ( ) throws Exception { } @ Test public void testGetLineNumberWithCR ( ) throws Exception { } @ Test public void testGetRecordNumberWithLF ( ) throws Exception { } @ Test public void testGetRecordWithMultiiLineValues ( ) throws Exception { } @ Test public void testGetRecordNumberWithCRLF ( ) throws Exception { } @ Test public void testGetRecordNumberWithCR ( ) throws Exception { } @ Test ( expected = IllegalArgumentException . class ) public void testInvalidFormat ( ) throws Exception { final CSVFormat invalidFormat = DEFAULT . withDelimiter ( Constants . CR ) ; <START_BUG> new CSVParser ( ( ( java . io . Reader ) ( null ) ) , invalidFormat ) . close ( ) ; <END_BUG> } private void validateRecordNumbers ( final String lineSeparator ) throws IOException { } private void validateLineNumbers ( final String lineSeparator ) throws IOException { } }

Fix:
new CSVParser ( null , invalidFormat ) . close ( ) ;